#ifndef ERRORFINDER_H
#define ERRORFINDER_H

/*
 * Copyright (C) 2007-2009 Sergio Pistone <sergio_pistone@yahoo.com.ar>
 * Copyright (C) 2010-2018 Mladen Milinkovic <max@smoothware.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "core/subtitle.h"

#include <QObject>

namespace SubtitleComposer {
class FindErrorsDialog;
class SubtitleIterator;

class ErrorFinder : public QObject
{
	Q_OBJECT

public:
	explicit ErrorFinder(QWidget *parent = 0);
	virtual ~ErrorFinder();

	QWidget * parentWidget();

public slots:
	void setSubtitle(Subtitle *subtitle = 0);
	void setTranslationMode(bool enabled);

	void find(int searchFromIndex, bool findBackwards = false);
	bool findNext(int fromIndex = -1);
	bool findPrevious(int fromIndex = -1);

signals:
	void found(SubtitleLine *line);

private:
	void advance(bool advanceIteratorOnFirstStep);

private slots:
	void invalidate();

private:
	Subtitle *m_subtitle;
	FindErrorsDialog *m_dialog;
	bool m_translationMode;

	int m_targetErrorFlags;
	bool m_findBackwards;
	SubtitleIterator *m_iterator;
};
}
#endif
